True love as well as television's usual uncertainty about whether talent or a new show will survive longer than 13 weeks will keep Pat Mitchell in Washington this summer. She'll commute to Manhattan when she begins cohosting CBS's "People." All the better to be near investment lawyer Anthony Chase . . . The folks behind the Washington-based movement that urges restraint in buying "books from crooks" say success will keep them in business at least until last summer. Bill Boleyn, who in real life runs a restaurant, says the $39,000 raised to begin the nationwide T-shirt, bumper sticker and advertising campaign urging a boycott of Watergaters' books has been earned back, and another $20,000 worth of orders received.

Yes, there's a local connection to the byline above the New York Times stories on the West Virginia power plant construction site disaster. The reporter named Peterson who writes from the Detroit bureau is the White House's Esther Peterson's son, Ivan . . . Detroit News Washington bureau reporter Seth Kantor becomes full-time investigative reporter here for the Atlanta Constitution . . . Watch for a decline in frequency of handsome corporate "image" ads addressing Congress and the public. An IRS decision says issue-oriented ads by corporations are no longer tax deductible as a business expense. Court tests will take time. Footnote: some firms, such as Mobil (whose campaign is profiled in the adjoining column) never did deduct the cost of that category of ads.